<!DOCTYPE html>
<meta charset="UTF-8">
<style>
.parent {
  --resolution-list: 30dppx 300dppx;
}
.target {
  --resolution-list: 10dppx 100dppx;
}
</style>
<body>
<script src="../interpolation/resources/interpolation-test.js"></script>
<script>
CSS.registerProperty({
  name: '--resolution-list',
  syntax: '<resolution>+',
  initialValue: '40dppx 400dppx',
  inherits: false,
});

assertInterpolation({
  property: '--resolution-list',
  from: 'initial',
  to: '20dppx 200dppx',
}, [
  {at: -0.3, is: '46dppx 460dppx'},
  {at: 0, is: '40dppx 400dppx'},
  {at: 0.5, is: '30dppx 300dppx'},
  {at: 1, is: '20dppx 200dppx'},
  {at: 1.5, is: '10dppx 100dppx'},
]);

assertInterpolation({
  property: '--resolution-list',
  from: 'inherit',
  to: '20dppx 200dppx',
}, [
  {at: -0.3, is: '33dppx 330dppx'},
  {at: 0, is: '30dppx 300dppx'},
  {at: 0.5, is: '25dppx 250dppx'},
  {at: 1, is: '20dppx 200dppx'},
  {at: 1.5, is: '15dppx 150dppx'},
]);

assertInterpolation({
  property: '--resolution-list',
  from: 'unset',
  to: '20dppx 200dppx',
}, [
  {at: -0.3, is: '46dppx 460dppx'},
  {at: 0, is: '40dppx 400dppx'},
  {at: 0.5, is: '30dppx 300dppx'},
  {at: 1, is: '20dppx 200dppx'},
  {at: 1.5, is: '10dppx 100dppx'},
]);

assertInterpolation({
  property: '--resolution-list',
  from: '-10dppx -100dppx',
  to: '10dppx 100dppx',
}, [
  {at: -0.3, is: '-16dppx -160dppx'},
  {at: 0, is: '-10dppx -100dppx'},
  {at: 0.5, is: '0dppx 0dppx'},
  {at: 1, is: '10dppx 100dppx'},
  {at: 1.5, is: '20dppx 200dppx'}
]); 

assertInterpolation({
  property: '--resolution-list',
  from: '10dppx',
  to: '100dppx',
}, [
  {at: -0.3, is: '-17dppx'},
  {at: 0, is: '10dppx'},
  {at: 0.5, is: '55dppx'},
  {at: 1, is: '100dppx'},
  {at: 1.5, is: '145dppx'}
]);

assertInterpolation({
  property: '--resolution-list',
  from: '96dpi 192dpi',
  to: '2dppx 2dppx',
}, [
  {at: -0.3, is: '0.7dppx 2dppx'},
  {at: 0, is: '1dppx 2dppx'},
  {at: 0.5, is: '1.5dppx 2dppx'},
  {at: 1, is: '2dppx 2dppx'},
  {at: 1.5, is: '2.5dppx 2dppx'}
]);

assertInterpolation({
  property: '--resolution-list',
  from: neutralKeyframe,
  to: '20dppx 200dppx',
}, [
  {at: -0.3, is: '7dppx 70dppx'},
  {at: 0, is: '10dppx 100dppx'},
  {at: 0.5, is: '15dppx 150dppx'},
  {at: 1, is: '20dppx 200dppx'},
  {at: 1.5, is: '25dppx 250dppx'},
]);

assertComposition({
  property: '--resolution-list',
  underlying: '50dppx 60dppx',
  addFrom: '10dppx 140dppx',
  addTo: '110dppx 40dppx',
}, [
  {at: -0.3, is: '30dppx 230dppx'},
  {at: 0, is: '60dppx 200dppx'},
  {at: 0.5, is: '110dppx 150dppx'},
  {at: 1, is: '160dppx 100dppx'},
  {at: 1.5, is: '210dppx 50dppx'},
]);

assertComposition({
  property: '--resolution-list',
  underlying: '50dppx 60dppx',
  addFrom: '10dppx 140dppx',
  replaceTo: '110dppx 40dppx',
}, [
  {at: -0.3, is: '45dppx 248dppx'},
  {at: 0, is: '60dppx 200dppx'},
  {at: 0.5, is: '85dppx 120dppx'},
  {at: 1, is: '110dppx 40dppx'},
  {at: 1.5, is: '135dppx -40dppx'},
]);

</script>
</body>
